72640620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 144

約数和(自身を含む): 243996480

約数和(自身を除く): 171355860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 839, 962, 1110, 1170, 1332, 1443, 1665, 1678, 1924, 2220, 2340, 2405, 2517, 2886, 3330, 3356, 4195, 4329, 4810, 5034, 5772, 6660, 7215, 7551, 8390, 8658, 9620, 10068, 10907, 12585, 14430, 15102, 16780, 17316, 21645, 21814, 25170, 28860, 30204, 31043, 32721, 37755, 43290, 43628, 50340, 54535, 62086, 65442, 75510, 86580, 93129, 98163, 109070, 124172, 130884, 151020, 155215, 163605, 186258, 196326, 218140, 279387, 310430, 327210, 372516, 392652, 403559, 465645, 490815, 558774, 620860, 654420, 807118, 931290, 981630, 1117548, 1210677, 1396935, 1614236, 1862580, 1963260, 2017795, 2421354, 2793870, 3632031, 4035590, 4842708, 5587740, 6053385, 7264062, 8071180, 12106770, 14528124, 18160155, 24213540, 36320310, 72640620]

約数ペア:

[(1, 72640620), (2, 36320310), (3, 24213540), (4, 18160155), (5, 14528124), (6, 12106770), (9, 8071180), (10, 7264062), (12, 6053385), (13, 5587740), (15, 4842708), (18, 4035590), (20, 3632031), (26, 2793870), (30, 2421354), (36, 2017795), (37, 1963260), (39, 1862580), (45, 1614236), (52, 1396935), (60, 1210677), (65, 1117548), (74, 981630), (78, 931290), (90, 807118), (111, 654420), (117, 620860), (130, 558774), (148, 490815), (156, 465645), (180, 403559), (185, 392652), (195, 372516), (222, 327210), (234, 310430), (260, 279387), (333, 218140), (370, 196326), (390, 186258), (444, 163605), (468, 155215), (481, 151020), (555, 130884), (585, 124172), (666, 109070), (740, 98163), (780, 93129), (839, 86580), (962, 75510), (1110, 65442), (1170, 62086), (1332, 54535), (1443, 50340), (1665, 43628), (1678, 43290), (1924, 37755), (2220, 32721), (2340, 31043), (2405, 30204), (2517, 28860), (2886, 25170), (3330, 21814), (3356, 21645), (4195, 17316), (4329, 16780), (4810, 15102), (5034, 14430), (5772, 12585), (6660, 10907), (7215, 10068), (7551, 9620), (8390, 8658)]